001 /* Copyright (c) 2002 Graz University of Technology. All rights reserved. 002 * 003 * Redistribution and use in source and binary forms, with or without 004 * modification, are permitted provided that the following conditions are met: 005 * 006 * 1. Redistributions of source code must retain the above copyright notice, 007 * this list of conditions and the following disclaimer. 008 * 009 * 2. Redistributions in binary form must reproduce the above copyright notice, 010 * this list of conditions and the following disclaimer in the documentation 011 * and/or other materials provided with the distribution. 012 * 013 * 3. The end-user documentation included with the redistribution, if any, must 014 * include the following acknowledgment: 015 * 016 * "This product includes software developed by IAIK of Graz University of 017 * Technology." 018 * 019 * Alternately, this acknowledgment may appear in the software itself, if 020 * and wherever such third-party acknowledgments normally appear. 021 * 022 * 4. The names "Graz University of Technology" and "IAIK of Graz University of 023 * Technology" must not be used to endorse or promote products derived from 024 * this software without prior written permission. 025 * 026 * 5. Products derived from this software may not be called 027 * "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior 028 * written permission of Graz University of Technology. 029 * 030 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED 031 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 032 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 033 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE 034 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 035 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 036 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 037 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 038 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 039 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 040 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 041 * POSSIBILITY OF SUCH DAMAGE. 042 */ 043 044 package demo.pkcs.pkcs11; 045 046 import java.io.ByteArrayOutputStream; 047 import java.io.FileInputStream; 048 import java.io.FileOutputStream; 049 import java.io.InputStream; 050 import java.io.OutputStream; 051 import java.io.PrintWriter; 052 import java.math.BigInteger; 053 054 import iaik.pkcs.pkcs11.Mechanism; 055 import iaik.pkcs.pkcs11.Module; 056 import iaik.pkcs.pkcs11.Session; 057 import iaik.pkcs.pkcs11.Slot; 058 import iaik.pkcs.pkcs11.Token; 059 import iaik.pkcs.pkcs11.objects.Object; 060 import iaik.pkcs.pkcs11.objects.RSAPrivateKey; 061 062 063 064 /** 065 * This program signs a given file. Hereby the hash is calculated on the card. 066 * If you are not sure if your token supports this mechanism, start the 067 * GetInfo demo. 068 * 069 * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a> 070 * @version 0.1 071 * @invariants 072 */ 073 public class HashAndSign { 074 075 static PrintWriter output_; 076 077 static { 078 try { 079 //output_ = new PrintWriter(new FileWriter("HashAndSign_output.txt"), true); 080 output_ = new PrintWriter(System.out, true); 081 } catch (Throwable thr) { 082 thr.printStackTrace(); 083 output_ = new PrintWriter(System.out, true); 084 } 085 } 086 087 public static void main(String[] args) { 088 if ((args.length != 3) && (args.length != 4)) { 089 printUsage(); 090 System.exit(1); 091 } 092 093 try { 094 095 Module pkcs11Module = Module.getInstance(args[0]); 096 pkcs11Module.initialize(null); 097 098 Slot[] slots = pkcs11Module.getSlotList(Module.SlotRequirement.TOKEN_PRESENT); 099 100 if (slots.length == 0) { 101 output_.println("No slot with present token found!"); 102 System.exit(0); 103 } 104 105 Slot selectedSlot = slots[0]; 106 Token token = selectedSlot.getToken(); 107 108 Session session = 109 token.openSession(Token.SessionType.SERIAL_SESSION, Token.SessionReadWriteBehavior.RO_SESSION, null, null); 110 session.login(Session.UserType.USER, args[1].toCharArray()); 111 112 output_.println("################################################################################"); 113 output_.println("find private signature key"); 114 RSAPrivateKey templateSignatureKey = new RSAPrivateKey(); 115 templateSignatureKey.getSign().setBooleanValue(Boolean.TRUE); 116 117 session.findObjectsInit(templateSignatureKey); 118 119 Object[] foundSignatureKeyObjects = session.findObjects(1); // find first 120 121 RSAPrivateKey signatureKey = null; 122 if (foundSignatureKeyObjects.length > 0) { 123 signatureKey = (RSAPrivateKey) foundSignatureKeyObjects[0]; 124 output_.println("________________________________________________________________________________"); 125 output_.println(signatureKey); 126 output_.println("________________________________________________________________________________"); 127 } else { 128 output_.println("No RSA private key found that can sign!"); 129 System.exit(0); 130 } 131 session.findObjectsFinal(); 132 133 output_.println("################################################################################"); 134 135 136 output_.println("################################################################################"); 137 output_.println("signing data from file: " + args[2]); 138 139 InputStream dataInputStream = new FileInputStream(args[2]); 140 141 // to buffer the data to be signed 142 ByteArrayOutputStream dataToBeSignedBuffer = new ByteArrayOutputStream(128); 143 144 //be sure that your token can process the specified mechanism 145 Mechanism signatureMechanism = Mechanism.SHA1_RSA_PKCS; 146 // initialize for signing 147 session.signInit(signatureMechanism, signatureKey); 148 149 byte[] dataBuffer = new byte[1024]; 150 byte[] helpBuffer; 151 int bytesRead; 152 153 /* We use the sign(byte]) function, because some drivers do not support 154 * signing multiple data pieces. To buffer the data, 155 * feed all data from the input stream to the data buffer strem. 156 */ 157 while ((bytesRead = dataInputStream.read(dataBuffer)) >= 0) { 158 dataToBeSignedBuffer.write(dataBuffer, 0, bytesRead); 159 } 160 byte[] dataToBeSigned = dataToBeSignedBuffer.toByteArray(); 161 162 // This signing operation is implemented in most of the drivers 163 byte[] signatureValue = session.sign(dataToBeSigned); 164 165 output_.println("The siganture value is: " + new BigInteger(1, signatureValue).toString(16)); 166 167 if (args.length == 4) { 168 output_.println("Writing signature to file: " + args[3]); 169 170 OutputStream signatureOutput = new FileOutputStream(args[3]); 171 signatureOutput.write(signatureValue); 172 signatureOutput.flush(); 173 signatureOutput.close(); 174 } 175 176 output_.println("################################################################################"); 177 178 session.closeSession(); 179 pkcs11Module.finalize(null); 180 181 } catch (Throwable thr) { 182 thr.printStackTrace(); 183 } finally { 184 output_.close(); 185 } 186 } 187 188 public static void printUsage() { 189 output_.println("Usage: HashAndSign <PKCS#11 module> <userPIN> <file to be signed> [<signature value file>]"); 190 output_.println(" e.g.: HashAndSign pk2priv.dll password data.dat signature.bin"); 191 output_.println("The given DLL must be in the search path of the system."); 192 } 193 194 }